package com.kunda.netty.time;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.codec.LineBasedFrameDecoder;
import io.netty.handler.codec.string.StringDecoder;

public class TimeServer {
	
	public void bind(int port) throws Exception{
		EventLoopGroup bossGroup = new NioEventLoopGroup();
		EventLoopGroup workerGroup = new NioEventLoopGroup();
		
		try{
			ServerBootstrap b =  new ServerBootstrap();
			b.group(bossGroup,workerGroup)
			 .channel(NioServerSocketChannel.class)
			 .option(ChannelOption.SO_BACKLOG, 1024)
			 .childHandler(new ChannelInitializer<SocketChannel>(){

					@Override
					protected void initChannel(SocketChannel ch) throws Exception {
						ch.pipeline().addLast(new LineBasedFrameDecoder(1024));
						ch.pipeline().addLast(new StringDecoder());
						ch.pipeline().addLast(new TimeServerHandler());
					}
					
				});
			
			System.out.println("Time server starting...");
			ChannelFuture f = b.bind(port).sync();
			
			f.channel().closeFuture().sync();
			
		}finally{
			bossGroup.shutdownGracefully();
			workerGroup.shutdownGracefully();
		}
	}
	
	public static void main(String[] args) throws Exception {
		
		int port = 8080;
		new TimeServer().bind(port);
	}
	
}
